NYC 9/11 Public Portal Document
• A4Prhanira1 Vthauct Cv}stem Visual incnet Linn Form Page I of I
Mechanical Exhaust System Identification: E 14
Location: ^ o Area Served:
Associated mechanical room: clean Y N Y stored chemicals/refuse
N Y N
• Surface Component
System Components Dust! WTC l; not
(NOTE: If component not present (NP), not found (NF) or inaccessible (I) please Debris Dust present •'
Present? Present?
indicate In last column( 4 not
found
Inaccessible
Exhaust air outlet: Location:
/
Accessible for inspection? YIN (explain):
7 ~."
tU
louvers, grales and/or screens
outside air duct Pi
outside air damper(s) Al
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining
vibration collars in
Exhaust air distribution:
Exhaust air ducts Est total in ft tV No. locations
inspected ( _ ' _
Specify type (circle): omial fibrous glass lined metal masonry fibrous class board l/ A)
flex-duc wwood `
Access=h'A i ^ -lie fire d?.rr,o-s Ec: total otv N. tc.c^ •-~'
Accessible turning vanes Est. tote • N P _.._
Exhaust air grilles Est. total gty No. locations inspected
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WTC dust):
KEY: NP = not present; NF = not found; I = inaccessible; U unknown
NYC-WTC-000135928
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